Fig. 6
a GCD curves of the products obtained with different mass ration of Cu2O/NiCl2 at 4 A g−1. b The CVs of Ni(OH)2 NCs/NF and Ni(OH)2 BNCs/NF at scan rate of 60 mV/s. c The CVs of Ni(OH)2 NCs/NF at different scan rates. d GCD curves of Ni(OH)2 NCs/NF and Ni(OH)2 BNCs/NF at 1 A g−1. e GCD curves of Ni(OH)2 NCs/NF at different current densities. f The schematic of charge storage advantages for Ni(OH)2 NCs. g The cycling stability of Ni(OH)2 NCs/NF at 8 A g−1. h The EIS spectra of Ni(OH)2 NCs/NF and Ni(OH)2 BNCs/NF